Fluorodeoxyglucose metabolism associated with tau-amyloid interaction predicts memory decline

Bernard J. Hanseeuw, Rebecca Betensky, Aaron P. Schultz, Kathryn V. Papp, Elizabeth C. Mormino, Jorge Sepulcre, John S. Bark, Danielle M. Cosio, Molly LaPoint, Jasmeer P. Chhatwal, Dorene M. Rentz, Reisa A. Sperling, Keith A. Johnson

Research output: Contribution to journalArticle

Abstract

Objective: The aim of this article was to evaluate in normal older adults and preclinical Alzheimer's disease (AD) the impact of amyloid and regional tauopathy on cerebral glucose metabolism and subsequent memory decline. Methods: We acquired positron emission tomography using F18 flortaucipir (tau), C11 Pittsburgh compound B (amyloid), and F18 fluorodeoxyglucose (FDG) in 90 clinically normal elderly of the Harvard Aging Brain Study. Results: Posterior cingulate metabolism decreased when both amyloid and neocortical tau were high and predicted subsequent memory decline in a larger sample of normal elderly. In contrast, frontal hypometabolism related to the common age-related entorhinal tauopathy, but this dysfunction was independent of amyloid, and did not predict significant memory decline. Neocortical tauopathy was positively associated with metabolism in individuals with subthreshold amyloid, suggesting that glucose metabolism increases before decreasing in the course of preclinical AD. Interpretation: Our study identified a synergistic effect of amyloid and tau deposits and demonstrated, for the first time, in normal elderly its link to AD-like hypometabolism and to AD-like memory decline. The amyloid effect was observed with tau in neocortex, but not with tau in entorhinal cortex, which is the common site of age-related tauopathy. Entorhinal tau was associated with frontal hypometabolism, but this dysfunction was not associated with memory loss. Ann Neurol 2017;81:583–596.

Original languageEnglish (US)
Pages (from-to)583-596
Number of pages14
JournalAnnals of Neurology
Volume81
Issue number4
DOIs
StatePublished - Apr 1 2017

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Amyloid
Tauopathies
Alzheimer Disease
Glucose
Entorhinal Cortex
Neocortex
Gyrus Cinguli
Fluorodeoxyglucose F18
Amyloid Plaques
Memory Disorders
Positron-Emission Tomography
Brain

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

Cite this

Hanseeuw, B. J., Betensky, R., Schultz, A. P., Papp, K. V., Mormino, E. C., Sepulcre, J., ... Johnson, K. A. (2017). Fluorodeoxyglucose metabolism associated with tau-amyloid interaction predicts memory decline. Annals of Neurology, 81(4), 583-596. https://doi.org/10.1002/ana.24910

Fluorodeoxyglucose metabolism associated with tau-amyloid interaction predicts memory decline. / Hanseeuw, Bernard J.; Betensky, Rebecca; Schultz, Aaron P.; Papp, Kathryn V.; Mormino, Elizabeth C.; Sepulcre, Jorge; Bark, John S.; Cosio, Danielle M.; LaPoint, Molly; Chhatwal, Jasmeer P.; Rentz, Dorene M.; Sperling, Reisa A.; Johnson, Keith A.

In: Annals of Neurology, Vol. 81, No. 4, 01.04.2017, p. 583-596.

Research output: Contribution to journalArticle

Hanseeuw, BJ, Betensky, R, Schultz, AP, Papp, KV, Mormino, EC, Sepulcre, J, Bark, JS, Cosio, DM, LaPoint, M, Chhatwal, JP, Rentz, DM, Sperling, RA & Johnson, KA 2017, 'Fluorodeoxyglucose metabolism associated with tau-amyloid interaction predicts memory decline', Annals of Neurology, vol. 81, no. 4, pp. 583-596. https://doi.org/10.1002/ana.24910
Hanseeuw BJ, Betensky R, Schultz AP, Papp KV, Mormino EC, Sepulcre J et al. Fluorodeoxyglucose metabolism associated with tau-amyloid interaction predicts memory decline. Annals of Neurology. 2017 Apr 1;81(4):583-596. https://doi.org/10.1002/ana.24910
Hanseeuw, Bernard J. ; Betensky, Rebecca ; Schultz, Aaron P. ; Papp, Kathryn V. ; Mormino, Elizabeth C. ; Sepulcre, Jorge ; Bark, John S. ; Cosio, Danielle M. ; LaPoint, Molly ; Chhatwal, Jasmeer P. ; Rentz, Dorene M. ; Sperling, Reisa A. ; Johnson, Keith A. / Fluorodeoxyglucose metabolism associated with tau-amyloid interaction predicts memory decline. In: Annals of Neurology. 2017 ; Vol. 81, No. 4. pp. 583-596.
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